Dynomax Ultra Flo 39311 Exhaust System Kit for Chevrolet Silverado 1500

Give your Chevrolet Silverado/GMC Sierra 1500 or 2500’s exhaust system an upgrade with a DynoMax Ultra Flo welded 3-in. single cat-back exhaust system. Features a DynoMax Ultra Flo welded muffler that features Continuous Roving Fiberglass (CRF) to absorb unwanted interior resonance while maintaining a deep performance tone.

• COMPATIBILITY – Fits 2007-2007 Chevrolet Silverado 1500 Classic; 1999-2006 Chevrolet Silverado 1500; 1999-2000 Chevrolet Silverado 2500; 2007-2007 GMC Sierra 1500 Classic; 1999-2006 GMC Sierra 1500; 1999-2000 GMC Sierra 2500
• GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase
• COMPATIBILITY -- Designed for 1999-2007 Chevrolet Silverado/GMC Sierra 1500 and 1999-2000 Silverado/Sierra 2500 under 8,600-lb. GVWR; 143.5-in. wheelbase; see product information for compatibility and engine specs
• COMPLETE SOLUTION -- Includes DynoMax Ultra Flo welded muffler, pipes, gaskets and clamps
• EASY TO INSTALL -- Direct-fit bolt-on pre-assembled solution with welded hangers, pipes and clamps for easy installation that doesn’t require specialized fabrication and/or welding
• IMPROVED FLOW CAPACITY -- 3-in. Stainless-steel tubing with mandrel bends improves flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
• SUPERIOR PERFORMANCE -- Straight-through design ensures unrestricted exhaust flow and reduces back pressure; dyno proven to flow up to 2,200 SCFM
• PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone
• ENGINEERED TO LAST -- Muffler features stainless-steel construction with a micro-finish for lifelong protection and 100% welded design for maximum durability
• NOTES -- Welded 4-in. outlet double wall, buffed and polished stainless-steel slant cut tip